Le Grand Ballon

Le Grand Ballon, located with peaks reaching 1310 m, in the Vosges, benefits from specific alpine weather conditions. This page brings together the 9-day weather forecast for Le Grand Ballon: four days in detail from Météo-France (minimum and maximum temperatures, expected snowfall, 0°C isotherm), then an outlook through day 9, along with the ski area snow depth. The Vosges avalanche bulletin is also available below. Forecasts are calibrated to the resort's actual altitude; the first four days come from Météo-France models (AROME/ARPEGE), the outlook from a longer-range, less precise model.

9-day snowfall forecast

Cumulative forecast: 0 cm at the resort base (down to the valleys) and 0 cm at the summit (1,310 m) over the next 4 days (Météo-France forecast). For the following days, the outlook is given as a range and is not included in this total.

Snow line over the coming days in Le Grand Ballon

No snow forecast on the ski area over the next 4 days: the chart shows the snow line altitude during precipitation.

Snow line: the altitude above which precipitation falls as snow. It is computed hour by hour, during precipitation, from Météo-France temperature and humidity at altitude: it is the altitude where the wet-bulb temperature rises above 1.3°C (the same definition as the German weather service's snowfall line). Météo-France days only, not the longer-range outlook.

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